Fix bug that device adds network into blacklist

This CL fixes a bug that device will add test network into blacklist
when performing test "test_stress_pno_connection_to_2g".

Bug: 147389814
Test: Run test locally
Change-Id: I22c4941a30b4bf7215b32e86bead84f64fc2d530
1 file changed
tree: 804b1a74035b85cc474a9e8d16dfff9153cb37e7
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg